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If \( x = 20\) and \(y = 40\), then \(x\) and \(y\) are:
If \( x = 15\) and \(y = \dfrac{1}{30}\), then \(x\) and \(y\) are:
If x and y are directly proportional, then which of the following is correct?
Explanation:
, where is a constant.
If x and y are inversely proportional, then:
Where is a constant.
If \(x\propto y \) and \(x_1=5,y_1=210 \) and \(x_2=2 \), then find \( y_2\)?
If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2500 grams?
For 12 sheets, weight of paper is 40 grams
Let number of sheets for 2500 is x.
Using direct proportion concept:
If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2500 grams?
For 12 sheets, weight of paper is 40 grams
Let number of sheets for 2500 is x.
Using direct proportion concept:
The scale of a map is given as 1:300. Two cities are 4 km apart on the map. The actual distance between them is:
Hence, the distance between the two cities is 1200 km.
The scale of a map is given as 1:300. Two cities are 4 km apart on the map. The actual distance between them is:
Hence, the distance between the two cities is 1200 km.
If \( x\) and \( y\) are inversely proportional, then which one is true?
6 pipes are required to fill a tank in 1 hour 20 minutes. If we use 5 such types of pipes, how much time it will take to fill the tank?
For 6 pipes, it takes 1 hour 20 minutes
1 hour 20 minutes = 60 + 20 = 80 minutes
For 5 pipes, let the time taken be x.
This is inverse proportion case:
If 12 workers can build a wall in 50 hours, how many workers will be required to do the same work in 40 hours?
If \(x:y=2:3 \) and \(2:x=1:2 \) the value of \( y=\)
If x and y vary inversely as each other and x = 10 when y = 6. Find y when x = 15
If \(x \) varies as \(y^2 \) and \( x=4\) when \(y=5 \) then. Find \(x \) when \(y=15 \)
If \(\dfrac{15}{5}:\dfrac{1}{x}=\dfrac{1}{x}:\dfrac{1}{125} \) the value of \( x=\)
x and y vary in inverse proportion when x is 12, y is 3 which is not a possible pair of corresponding value of x and y?
(a).
(b).
(c).
(d).